WO2012020798A1 - 樹脂組成物、液晶配向材および位相差材 - Google Patents

樹脂組成物、液晶配向材および位相差材 Download PDF

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WO2012020798A1
WO2012020798A1 PCT/JP2011/068276 JP2011068276W WO2012020798A1 WO 2012020798 A1 WO2012020798 A1 WO 2012020798A1 JP 2011068276 W JP2011068276 W JP 2011068276W WO 2012020798 A1 WO2012020798 A1 WO 2012020798A1
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resin composition
component
polymer
group
composition according
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PCT/JP2011/068276
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English (en)
French (fr)
Japanese (ja)
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真 畑中
安達　勲
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日産化学工業株式会社
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Priority to KR1020187001877A priority Critical patent/KR101943401B1/ko
Priority to CN201180039058.1A priority patent/CN103068928B/zh
Priority to JP2012528702A priority patent/JP5825493B2/ja
Priority to KR1020137003868A priority patent/KR101874837B1/ko
Priority to KR1020187001872A priority patent/KR101920256B1/ko
Publication of WO2012020798A1 publication Critical patent/WO2012020798A1/ja

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F218/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
    • C08F218/02—Esters of monocarboxylic acids
    • C08F218/04—Vinyl esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/10—Esters
    • C08F20/26—Esters containing oxygen in addition to the carboxy oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F232/00—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
    • C08F232/08—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having condensed rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133635—Multifunctional compensators
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
    • C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
    • C08G2261/34—Monomer units or repeat units incorporating structural elements in the main chain incorporating partially-aromatic structural elements in the main chain
    • C08G2261/342—Monomer units or repeat units incorporating structural elements in the main chain incorporating partially-aromatic structural elements in the main chain containing only carbon atoms
    • C08G2261/3424—Monomer units or repeat units incorporating structural elements in the main chain incorporating partially-aromatic structural elements in the main chain containing only carbon atoms non-conjugated, e.g. paracyclophanes or xylenes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2202/00—Materials and properties
    • G02F2202/02—Materials and properties organic material
    • G02F2202/022—Materials and properties organic material polymeric
    • G02F2202/023—Materials and properties organic material polymeric curable

Definitions

  • the present invention relates to a resin composition, a liquid crystal alignment material, and a retardation material.
  • a protective film is provided to protect the element surface from a solvent and heat in a manufacturing process.
  • This protective film is required not only to have high solvent resistance and heat resistance, but also to have high adhesion to the substrate to be protected and high transparency.
  • the protective film is used as, for example, a protective film for a color filter used in a color liquid crystal display device or a solid-state imaging device.
  • the protective film is required to be formed with a film thickness of, for example, 1 ⁇ m or more in order to flatten the underlying color filter or black matrix.
  • a film thickness of, for example, 1 ⁇ m or more in order to flatten the underlying color filter or black matrix.
  • the protective film is required to have a high leveling ability with respect to the base.
  • the protective film also needs to have high transparency.
  • FIG. 2 is a schematic configuration diagram of a liquid crystal cell 200 in which a liquid crystal alignment film is formed by a conventional technique.
  • the liquid crystal layer 208 is sandwiched between two substrates 201 and 211.
  • an ITO 210 and an alignment film 209 are formed on the substrate 211.
  • a color filter 202, a color filter (CF) overcoat (hereinafter referred to as a CF overcoat) 203, an alignment film 204, a phase difference material 205, an ITO 206, an alignment A film 207 is formed in this order.
  • CF color filter
  • the alignment film is formed through processes such as rubbing treatment and polarized light irradiation. That is, as shown in FIG. 2, conventionally, after the alignment film 204 is formed on the CF overcoat 203, a retardation material 205 obtained from a polymerizable liquid crystal such as a liquid crystal monomer is formed thereon. It was common. That is, after the color filter 202 is formed, it is necessary to further form two layers of the CF overcoat 203 and the alignment film 204, which complicates the manufacturing process.
  • a highly transparent acrylic resin is used for the CF overcoat.
  • These acrylic resins are made of glycol-based solvents such as propylene glycol monomethyl ether and propylene glycol monomethyl ether acetate, ester-based solvents such as ethyl lactate and butyl lactate, and ketone-based solvents such as cyclohexanone and methyl amyl ketone. Widely used from the viewpoint of sex. And heat resistance and solvent tolerance are expressed by hardening an acrylic resin with a heat
  • a conventional CF overcoat made of a thermosetting or photocurable acrylic resin can provide transparency and flatness, but is subjected to a rubbing treatment.
  • a rubbing treatment it has been found that sufficient liquid crystal orientation cannot be exhibited. Therefore, it is understood that the conventional CF overcoat cannot be applied as it is to a film serving as both the alignment film and the CF overcoat.
  • an object of the present invention is to provide a resin composition having excellent orientation, solvent resistance, heat resistance, and transparency, and capable of forming a cured film that can be applied as a CF overcoat. is there.
  • 1st aspect of this invention is related with the resin composition characterized by including the polymer (A component) which has a cyclohexene ring in a side chain.
  • the polymer main chain as the component A is preferably a polymer of a monomer having an unsaturated double bond.
  • the polymer main chain as the component A is preferably an acrylic polymer.
  • the polymer as the component A is preferably derived from polyvinyl alcohol.
  • the polymer main chain as the component A preferably includes a ring structure.
  • the polymer main chain as the component A is preferably a polyester resin.
  • the polymer main chain as the component A is preferably a novolak resin.
  • the polymer as the component A is preferably a cycloolefin polymer.
  • the polymer as the component A preferably has a side chain that becomes a cross-linking group.
  • the crosslinking group of the polymer as the component A is at least one functional group selected from the group consisting of a hydroxy group, a carboxyl group, an epoxy group, and an acryloyl group.
  • component C a crosslinking agent that reacts with heat.
  • the present invention relates to a resin composition containing a binder polymer (component D).
  • R represents an organic group having 1 to 20 carbon atoms
  • X represents a hydrogen atom, a methyl group or a halogen atom.
  • the component (D) is preferably a polyester resin containing a structural unit represented by the formula (2).
  • A represents a tetravalent organic group in which four bonds are bonded to an alicyclic skeleton or an aliphatic skeleton
  • B represents two bonds to an alicyclic skeleton or an aliphatic skeleton.
  • the component (D) is preferably an acrylic polymer.
  • the third aspect of the present invention relates to a liquid crystal alignment material obtained by using the resin composition of the first and second aspects of the present invention.
  • 4th aspect of this invention is related with the phase difference material formed using the cured film obtained from the resin composition of the 1st and 2nd aspect of this invention.
  • a cured film having excellent orientation, solvent resistance, heat resistance and transparency and applicable as a CF overcoat can be formed.
  • a cured film having excellent orientation, solvent resistance, heat resistance and transparency and applicable as a CF overcoat can be formed.
  • the liquid crystal alignment material of the third aspect of the present invention is excellent in light transmittance, heat resistance, solvent resistance and alignment.
  • the retardation material of the fourth aspect of the present invention can be placed in a liquid crystal cell.
  • the contrast ratio can be improved.
  • the present invention relates to a resin composition, a liquid crystal alignment material formed using the resin composition, and a retardation material formed using a cured film obtained from the resin composition. More specifically, a resin composition that has excellent orientation, solvent resistance, heat resistance, and transparency, and that can form a cured film that can be applied as a CF overcoat, and using this resin composition
  • the present invention relates to a liquid crystal alignment material to be formed and a retardation material formed using the liquid crystal alignment material.
  • the cured film formed from the resin composition of the present invention is suitable as a film having a function as a CF overcoat in a liquid crystal display, and has an alignment function with respect to a polymerizable liquid crystal for forming a retardation layer. Therefore, it is also suitable for forming a built-in retardation layer.
  • the resin composition of the present invention can be applied with a film thickness of, for example, 1 ⁇ m or more, and in addition to high transparency and high solvent resistance, a cured film having liquid crystal alignment ability can be formed. it can. Therefore, this resin composition can be used as a material for forming a liquid crystal alignment film or a planarization film.
  • the liquid crystal alignment film and the overcoat layer of the color filter that have been conventionally formed independently can be provided in the liquid crystal cell as a “liquid crystal alignment layer (CF overcoat)” having both characteristics. Accordingly, it is possible to realize a reduction in cost by simplifying the manufacturing process and reducing the number of processes.
  • the resin composition of the present invention is soluble in a glycol-based solvent and a lactic acid ester-based solvent, it is suitable for a production line for a planarized film mainly using these solvents.
  • the components that can be contained in the resin composition of the embodiment of the present invention are as follows.
  • the combination of a preferable component is as follows. [1]: A resin composition containing 1 to 100 parts by mass of component (C) based on 100 parts by mass of component (A). [2]: A resin composition containing 1 to 100 parts by mass of component (C) based on 100 parts by mass of the total amount of component (B) and component (D). [3]: A resin composition containing 1 to 100 parts by mass of component (C) and a solvent based on 100 parts by mass of component (A). [4]: A resin composition containing 1 to 100 parts by mass of component (C) and a solvent based on 100 parts by mass of the total amount of component (B) and component (D).
  • [5] A resin composition containing 1 to 100 parts by mass of component (C), 0.01 to 5 parts by mass of component (E), and a solvent based on 100 parts by mass of component (A).
  • component (A) component contained in the resin composition of embodiment of this invention is a polymer which has a cyclohexene ring in a side chain.
  • the skeleton of the polymer main chain is not particularly limited.
  • This polymer preferably has a reactive group that is self-reactive or crosslinks with a crosslinking agent by heat.
  • polymer as the component (A) examples include acrylic polymers, vinyl polymers, polyester resins, novolak resins, and cycloolefin polymers.
  • a method of introducing a cyclohexene ring into a polymer a method of adding cyclohexene carboxylic acid to a polymer having an epoxy group, a method of subjecting a polymer having a hydroxy group to a condensation reaction of cyclohexene dicarboxylic acid anhydride, a polymer having a hydroxy group or an amino group And a method of reacting with cyclohexene carboxylic acid chloride or a method of polymerizing using a monomer having a cyclohexene ring.
  • X 1 represents a hydrogen atom or a carboxyl group
  • Y 1 represents a hydrogen atom or a methyl group
  • R 1 represents a hydrogen atom, an alkyl group or an acetyl group
  • R 2 represents a hydrogen atom or a glycidyl group.
  • a 1 represents an alicyclic group, a group composed of an alicyclic group and an aliphatic group, or a group containing a benzene ring structure
  • B 1 represents an alicyclic group, It represents a group comprising a cyclic group and an aliphatic group or a group containing a benzene ring structure.
  • the weight average molecular weight of the component (A) is preferably 1,000 to 50,000 in terms of polystyrene.
  • the method for obtaining the acrylic polymer having a cyclohexene ring as described above is not particularly limited.
  • an acrylic polymer having a glycidyl group or a hydroxy group is previously generated by radical polymerization or the like, and then this is performed. Is reacted with cyclohexene carboxylic acid, cyclohexene carboxylic acid chloride, cyclohexene dicarboxylic acid anhydride, or the like to obtain an acrylic polymer as component (A).
  • radical polymerizable monomer having a glycidyl group examples include glycidyl methacrylate, glycidyl acrylate, 4-hydroxybutyl acrylate glycidyl ether, 4-hydroxybutyl methacrylate glycidyl ether, and the like.
  • radical polymerizable monomer having a hydroxy group examples include hydroxystyrene, N- (hydroxyphenyl) acrylamide, N- (hydroxyphenyl) methacrylamide, N- (hydroxyphenyl) maleimide, 2-hydroxyethyl acrylate, 2-hydroxy Propyl acrylate, 5-acryloyloxy-6-hydroxynorbornene-2-carboxylic-6-lactone, 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate and 5-methacryloyloxy-6-hydroxynorbornene-2-carboxylic-6 -Lactones and the like can be mentioned.
  • a monomer that can be copolymerized with a monomer having a specific functional group when obtaining an acrylic polymer having a specific functional group effective for introduction of a cyclohexene ring such as a glycidyl group or a hydroxy group can be used in combination.
  • a monomer having a specific functional group when obtaining an acrylic polymer having a specific functional group effective for introduction of a cyclohexene ring such as a glycidyl group or a hydroxy group
  • Specific examples of such monomers are given below, but are not limited thereto.
  • Examples of monomers that can be copolymerized with a monomer having a specific functional group include acrylic ester compounds, methacrylic ester compounds, maleimide compounds, acrylonitrile, maleic anhydride, styrene compounds, and vinyl compounds.
  • the monomer examples include acrylic acid, methacrylic acid, crotonic acid, mono- (2- (acryloyloxy) ethyl) phthalate, mono- (2- (methacryloyloxy) ethyl) phthalate, and N- (carboxyphenyl) maleimide.
  • the method for obtaining the acrylic polymer having a cyclohexene ring used in the resin composition of the embodiment of the present invention is not particularly limited.
  • a monomer having a specific functional group, another copolymerizable monomer, and polymerization initiation if desired It can be obtained by carrying out a polymerization reaction at a temperature of 50 to 110 ° C. in a solvent in which an agent or the like coexists.
  • the solvent used will not be specifically limited if it dissolves the monomer which comprises the acrylic polymer which has a specific functional group, and the acrylic polymer which has a specific functional group. Specific examples include the solvents described below.
  • the acrylic polymer having a specific functional group thus obtained is usually in a solution state dissolved in a solvent.
  • the resulting acrylic polymer having a specific functional group is reacted with a compound having a cyclohexene ring to obtain an acrylic polymer having a cyclohexene ring as the component (A) (hereinafter also referred to as a specific copolymer).
  • a solution of an acrylic polymer having a specific functional group is usually used. Specifically, for example, there are synthesis methods shown below.
  • a specific copolymer can be obtained by reacting cyclohexenecarboxylic acid with a solution of an acrylic polymer having a glycidyl group in the presence of a catalyst such as benzyltriethylammonium chloride at a temperature of 80 to 150 ° C.
  • the solvent to be used is not particularly limited as long as it dissolves the monomer constituting the specific copolymer and the specific copolymer. Specific examples include the solvents described below.
  • a specific copolymer can be obtained by reacting a solution of an acrylic polymer having a hydroxy group with cyclohexene dicarboxylic acid anhydride in the presence of a catalyst such as benzyltriethylammonium chloride at a temperature of 80 ° C. to 150 ° C. .
  • the solvent to be used is preferably a solvent that dissolves the monomer constituting the specific copolymer and the specific copolymer and does not have a hydroxy group.
  • a solution of an acrylic polymer having a hydroxy group is reacted with cyclohexene dicarboxylic acid chloride in the presence of a tertiary amine such as triethylamine at a temperature of 0 ° C. to 40 ° C., and then the generated salt and amine are removed.
  • a specific copolymer can be obtained.
  • the solvent to be used is preferably a solvent that dissolves the monomer constituting the specific copolymer and the specific copolymer and does not have a hydroxy group.
  • the specific copolymer obtained as described above is usually in a solution state in which the specific copolymer is dissolved in a solvent.
  • the solution of the specific copolymer obtained as described above is poured into diethyl ether or water with stirring to reprecipitate, and the generated precipitate is filtered and washed, and then is subjected to normal pressure or reduced pressure.
  • the powder of the specific copolymer can be obtained by drying at room temperature or by heating.
  • the polymerization initiator and unreacted monomer coexisting with the specific copolymer can be removed, and as a result, a purified powder of the specific copolymer can be obtained.
  • movement what is necessary is just to redissolve the obtained powder in a solvent and to repeat said operation.
  • the powder of the specific copolymer may be used as it is, or the powder may be redissolved in a solvent described later and used as a solution.
  • the acrylic polymer as the component (A) may be a mixture of a plurality of types of specific copolymers.
  • a polymer having a cyclohexene ring by reacting an epoxidized phenol novolak resin or an epoxidized cresol novolak resin with cyclohexene carboxylic acid in the presence of a catalyst such as benzyltriethylammonium chloride at a temperature of 80 ° C. to 150 ° C. Can do.
  • a catalyst such as benzyltriethylammonium chloride
  • the solvent to be used is not particularly limited as long as it dissolves the monomer constituting the specific copolymer and the specific copolymer. Specific examples include the solvents described below.
  • epoxidized phenol novolac resins usable as the component (A) include, for example, Epicoat 152, 154 (above, Yuka Shell Epoxy Co., Ltd. (current Japan Epoxy). Resin Co., Ltd.), EPPN 201 and 202 (Nippon Kayaku Co., Ltd.) and other phenol novolac type epoxy resins.
  • cresol novolac type epoxy resins examples include EOCN-102, EOCN-103S, EOCN-104S, EOCN-1020, EOCN-1025, EOCN-1027 (above, Nippon Kayaku Co., Ltd.) and Epicoat Examples thereof include cresol novolac type epoxy resins such as 180S75 (Oilized Shell Epoxy Co., Ltd. (currently Japan Epoxy Resin Co., Ltd.)).
  • component (B) component contained in the resin composition of embodiment of this invention is a compound which has a cyclohexene ring in the terminal represented by following formula (1).
  • R represents an organic group having 1 to 20 carbon atoms
  • X represents a hydrogen atom, a methyl group or a halogen atom.
  • the compound having a cyclohexene ring at the terminal which is the component (B), is a method of reacting a polyfunctional epoxy compound with cyclohexene carboxylic acid, or a method of reacting a polyfunctional alcohol compound with cyclohexene carboxylic acid chloride or cyclohexene dicarboxylic acid anhydride. Is obtained.
  • component (C) component contained in the resin composition of embodiment of this invention is a crosslinking agent.
  • this crosslinking agent an epoxy compound, a methylol compound, an isocyanate compound, etc. are mentioned, for example.
  • component (C) is preferably a methylol compound or an isocyanate compound.
  • component (A) component or (D) component is a polymer which has a carboxyl group
  • (C) component has an preferable epoxy compound, a methylol compound, or an isocyanate compound.
  • epoxy compound examples include tris (2,3-epoxypropyl) isocyanurate, 1,4-butanediol diglycidyl ether, 1,2-epoxy-4- (epoxyethyl) cyclohexane, glycerol triglycidyl ether, diethylene glycol diester.
  • Glycidyl ether 2,6-diglycidylphenyl glycidyl ether, 1,1,3-tris [p- (2,3-epoxypropoxy) phenyl] propane, 1,2-cyclohexanedicarboxylic acid diglycidyl ester, 4,4 ′ -Methylenebis (N, N-diglycidylaniline), 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate, trimethylolethane triglycidyl ether, bisphenol-A-diglycidyl ether And and pentaerythritol polyglycidyl ether.
  • epoxy compound a commercially available compound may be used because it is easily available.
  • the specific example (brand name) is given to the following, it is not limited to these.
  • epoxy resins having amino groups such as YH-434 and YH434L (manufactured by Tohto Kasei Co., Ltd.), Eporide GT-401, GT-403, GT-301, GT-302, Celoxide 2021, and Celoxide 3000 ( Epoxy resin having a cyclohexene oxide structure such as Daicel Chemical Industries, Ltd., Epicoat 1001, 1002, 1003, 1004, 1007, 1009, 1010, and 828 (above, Yuka Shell Epoxy Co., Ltd.) Bisphenol A type epoxy resin such as (made by Japan Epoxy Resin Co., Ltd.), Bisphenol F type epoxy resin such as Epicoat 807 (made by Yuka Shell Epoxy Co., Ltd.
  • a polymer having an epoxy group can be used without particular limitation.
  • Such a polymer having an epoxy group can be produced, for example, by addition polymerization using an addition polymerizable monomer having an epoxy group.
  • addition polymerization polymers such as copolymers of polyglycidyl acrylate, glycidyl methacrylate, and ethyl methacrylate, copolymers of glycidyl methacrylate, styrene, and 2-hydroxyethyl methacrylate, or condensation polymerization polymers such as epoxy novolac. Can be mentioned.
  • the polymer having an epoxy group can also be produced by reacting a polymer compound having a hydroxy group with a compound having an epoxy group such as epichlorohydrin and glycidyl tosylate.
  • a polymer compound having a hydroxy group with a compound having an epoxy group such as epichlorohydrin and glycidyl tosylate.
  • the weight average molecular weight of such a polymer is, for example, 300 to 200,000 in terms of polystyrene.
  • methylol compounds that can be used as the component (C) include methoxymethylated glycoluril, methoxymethylated benzoguanamine, and methoxymethylated melamine. Specific examples include hexamethoxymethyl melamine, tetramethoxymethyl benzoguanamine, 1,3,4,6-tetrakis (butoxymethyl) glycoluril, 1,3,4,6-tetrakis (hydroxymethyl) glycoluril, 1,3 -Bis (hydroxymethyl) urea, 1,1,3,3-tetrakis (butoxymethyl) urea, 1,1,3,3-tetrakis (methoxymethyl) urea, 1,3-bis (hydroxymethyl) -4, Examples include 5-dihydroxy-2-imidazolinone and 1,3-bis (methoxymethyl) -4,5-dimethoxy-2-imidazolinone.
  • methoxymethyl type melamine compounds (trade names Cymel 300, Cymel 301, Cymel 303, Cymel 350) manufactured by Mitsui Cytec Co., Ltd., butoxymethyl type melamine compounds (trade names My Coat 506, My Coat 508), Glycoluril compounds (trade names: Cymel 1170, powder link 1174), methylated urea resins (trade names: UFR65), butylated urea resins (trade names: UFR300, U-VAN10S60, U-VAN10R, U-VAN11HV), Dainippon Ink and Chemicals, Inc. Examples include urea / formaldehyde resins (high condensation type, trade names Beccamin J-300S, Beccamin P-955, Beccamin N) manufactured by Kogyo Co., Ltd. (currently DIC Corporation).
  • examples of the isocyanate compound include the following.
  • examples of the compound having two or more isocyanate groups in one molecule include isophorone diisocyanate, 1,6-hexamethylene diisocyanate, methylene bis (4-cyclohexyl isocyanate), trimethylhexamethylene diisocyanate, etc.
  • a reaction product of these with diols, triols, diamines or triamines In order to improve the storage stability in the solution, it is preferable to use those isocyanate compounds that are blocked with a blocking agent.
  • the blocking agent examples include phenols such as phenol, o-nitrophenol, p-chlorophenol, o-, m- or p-cresol, lactams such as ⁇ -caprolactam, acetone oxime, methyl ethyl ketone oxime, methyl isobutyl ketone.
  • phenols such as phenol, o-nitrophenol, p-chlorophenol, o-, m- or p-cresol
  • lactams such as ⁇ -caprolactam
  • acetone oxime methyl ethyl ketone oxime
  • methyl isobutyl ketone examples include oximes such as oxime, cyclohexanone oxime, acetophenone oxime, and benzophenone oxime, pyrazoles such as pyrazole, 3,5-dimethylpyrazole, and 3-methylpyrazole, and thiols such as dodecanethiol
  • R represents a polyether structure.
  • examples of the polyether structure include divalent groups derived from polyethylene glycol and polypropylene glycol.
  • the crosslinking agent may be a compound obtained by condensing a melamine compound, urea compound, glycoluril compound or benzoguanamine compound in which the hydrogen atom of the amino group is substituted with a methylol group or an alkoxymethyl group.
  • a melamine compound trade name Cymel 303
  • the benzoguanamine compound trade name Cymel 1123
  • an acrylamide compound substituted with a hydroxymethyl group or an alkoxymethyl group such as N-hydroxymethylacrylamide, N-methoxymethylmethacrylamide, N-ethoxymethylacrylamide, N-butoxymethylmethacrylamide, or methacryl Polymers produced using amide compounds can also be used.
  • a polymer include poly (N-butoxymethylacrylamide), a copolymer of N-butoxymethylacrylamide and styrene, a copolymer of N-hydroxymethylmethacrylamide and methylmethacrylate, and N-ethoxymethylmethacrylamide.
  • a copolymer of benzyl methacrylate and N-butoxymethylacrylamide a copolymer of benzyl methacrylate and 2-hydroxypropyl methacrylate.
  • the weight average molecular weight of such a polymer is, for example, 1,000 to 500,000 in terms of polystyrene, preferably 2,000 to 200,000, more preferably 3,000 to 150,000, and 3,000 to 50,000 is more preferable.
  • cross-linking agents described above can be used alone or in combination of two or more.
  • the content of the crosslinking agent as the component (C) is 1 to 100 parts by mass based on 100 parts by mass of the component (A) when the component (A) is used. Preferably there is.
  • (B) component it is preferable that it is 1 thru
  • this ratio is too small, the solvent resistance of the cured film is lowered, whereby the orientation is lowered or the heat resistance is lowered. On the other hand, if the ratio is excessive, the orientation may be lowered, or the storage stability may be lowered.
  • (D) component (D) component contained in the resin composition of embodiment of this invention is a "other polymer", Comprising: It is a polymer (binder polymer) used as the binder for adding (B) component. is there.
  • the type of the “other polymer” is not particularly limited. However, it is preferable that the “other polymer” be self-crosslinked by reacting with a crosslinking agent as the component (C) by having a thermal crosslinking group.
  • the thermal crosslinking group include a carboxyl group, a hydroxy group, an epoxy group, an oxetanyl group, an acryloyl group, and a methacryloyl group.
  • the weight average molecular weight of the component (D) is preferably 1,000 to 100,000 in terms of polystyrene.
  • Preferable examples of other polymers include a polyester resin containing a structural unit represented by the following formula (2), an acrylic polymer having a crosslinking group, a polyester resin represented by the following formula (3), and the like. .
  • A represents a tetravalent organic group in which four bonds are bonded to an alicyclic skeleton or an aliphatic skeleton
  • B represents two bonds to an alicyclic skeleton or an aliphatic skeleton.
  • a ′ and B ′ each independently represent a divalent organic group in which two bonds are bonded to an alicyclic skeleton, an aliphatic skeleton or an aromatic ring skeleton, or an ether to these skeletons.
  • the polymer represented by the above formula (2) is obtained by a polymerization reaction of the following tetracarboxylic dianhydride (formula (i)) and a diol compound (formula (ii)).
  • A represents a tetravalent organic group in which four bonds are bonded to an alicyclic skeleton or an aliphatic skeleton
  • B represents an alicyclic skeleton or an aliphatic skeleton.
  • the mixing ratio of the component (B) and the component (D) is preferably 5:95 to 50:50. If the component (B) is less than this ratio, the orientation may be lowered. On the other hand, if it is excessive, the solvent resistance may be lowered, the orientation may be lowered, and the film formability may be lowered. In addition, you may mix (D) component with (A) component in the range which does not reduce a characteristic.
  • the resin composition of embodiment of this invention may contain a crosslinking catalyst as (E) component.
  • a component is effective at the point which accelerates
  • an acid or a thermal acid generator is useful for the crosslinking catalyst as the component (E).
  • an acid or thermal acid generator include a sulfonic acid group-containing compound, hydrochloric acid, or a salt thereof, and a compound that generates an acid by thermal decomposition during pre-baking or post-baking, that is, heat at 80 to 250 ° C. Any compound that decomposes to generate an acid is not particularly limited.
  • the acid examples include hydrochloric acid, methanesulfonic acid, ethanesulfonic acid, propanesulfonic acid, butanesulfonic acid, pentanesulfonic acid, octanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, camphorsulfonic acid, trifluoromethane.
  • Sulfonic acid p-phenolsulfonic acid, 2-naphthalenesulfonic acid, mesitylenesulfonic acid, p-xylene-2-sulfonic acid, m-xylene-2-sulfonic acid, 4-ethylbenzenesulfonic acid, 1H, 1H, 2H, 2H -Sulfonic acids such as perfluorooctane sulfonic acid, perfluoro (2-ethoxyethane) sulfonic acid, pentafluoroethane sulfonic acid, nonafluorobutane-1-sulfonic acid and dodecylbenzene sulfonic acid, or hydrates and salts thereof. Can be mentioned.
  • the thermal acid generator further includes bis (tosyloxy) ethane, bis (tosyloxy) propane, bis (tosyloxy) butane, p-nitrobenzyl tosylate, o-nitrobenzyl tosylate, 1,2,3-phenylene.
  • Content of (E) component in the resin composition of embodiment of this invention is preferable with respect to 100 mass parts of (A) component, or the total amount of 100 mass parts of (B) component and (D) component. Is 0.01 to 5 parts by mass.
  • the content of the component (E) is less than 0.01 parts by mass, the effect of promoting the thermosetting property of the resin composition may not be seen.
  • it exceeds 5 parts by mass the storage stability of the resin composition may decrease.
  • the resin composition of the embodiment of the present invention can be used in a solution state dissolved in a solvent.
  • a solvent to be used it is necessary to dissolve the component (A) or dissolve the component (B) and the component (D).
  • the component (C) is dissolved as needed, the component (E) is dissolved together with the component (C), or the component (E) is dissolved alone. is there.
  • other additives described later are dissolved as necessary.
  • the type and structure of the solvent are not particularly limited as long as the solvent has such dissolving ability.
  • the solvent examples include ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, methyl cellosolve acetate, ethyl cellosolve acetate, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol, propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, propylene Glycol propyl ether acetate, toluene, xylene, methyl ethyl ketone, cyclopentanone, cyclohexanone, 2-heptanone, ⁇ -butyrolactone, ethyl 2-hydroxypropionate, ethyl 2-hydroxy-2-methylpropionate, ethyl ethoxy acetate, ethyl hydroxyacetate 2-hydroxy-3-methylbutane Methyl, methyl 3-methoxypropionate, ethyl 3-methoxypropionate, ethyl 3-
  • the resin composition according to the embodiment of the present invention may contain a silane coupling agent, surfactant, rheology modifier, pigment, dye, storage stabilizer, A foaming agent, antioxidant, etc. can be contained.
  • the resin composition of the embodiment of the present invention contains either a polymer having a cyclohexene ring as the component (A) or a compound having a cyclohexene ring as the component (B) at the terminal.
  • the resin composition of the embodiment of the present invention optionally contains a crosslinking agent as component (C).
  • the resin composition of the embodiment of the present invention contains the component (B), it contains other polymer as the component (D).
  • the resin composition of the embodiment of the present invention can contain a crosslinking catalyst as the component (E), and can contain one or more of other additives.
  • the resin composition of the embodiment of the present invention can be used as a solution by dissolving the above components in a solvent.
  • Preferred examples of the resin composition of the embodiment of the present invention are as follows. [1]: A resin composition containing 1 to 100 parts by mass of component (C) based on 100 parts by mass of component (A). [2]: A resin composition containing 1 to 100 parts by mass of component (C) based on 100 parts by mass of the total amount of component (B) and component (D). [3]: A resin composition containing 1 to 100 parts by mass of component (C) and a solvent based on 100 parts by mass of component (A). [4]: A resin composition containing 1 to 100 parts by mass of component (C) and a solvent based on 100 parts by mass of the total amount of component (B) and component (D).
  • [5] A resin composition containing 1 to 100 parts by mass of component (C), 0.01 to 5 parts by mass of component (E), and a solvent based on 100 parts by mass of component (A).
  • the blending ratio and the preparation method are as follows.
  • the ratio of the solid content in the resin composition of the embodiment of the present invention is not particularly limited as long as each component is uniformly dissolved in the solvent, but is preferably 1 to 80% by mass, more preferably Is 3 to 60% by mass, more preferably 5 to 40% by mass.
  • solid content means what remove
  • the method for preparing the resin composition according to the embodiment of the present invention is not particularly limited.
  • the component (A) or the component (B) and the component (D) are dissolved in a solvent, and the component (C) is dissolved in this solution.
  • (E) component is mixed at a predetermined ratio to obtain a uniform solution.
  • other additives can be further added and mixed as necessary.
  • a polymer solution obtained by a polymerization reaction in a solvent can be used as it is.
  • the concentration is adjusted.
  • an additional solvent may be added.
  • the solvent used in the production process of the polymer and the solvent used for concentration adjustment at the time of preparing the resin composition may be the same or different.
  • the solution of the resin composition prepared as described above is preferably used after being filtered using a filter having a pore size of about 0.2 ⁇ m.
  • a coating film can be formed by the following method using the resin composition of the embodiment of the present invention. First, a resin composition is applied onto a substrate or a film by spin coating, flow coating, roll coating, slit coating, spin coating following the slit, ink jet coating, or printing. Subsequently, a coating film can be formed by predrying (prebaking) with a hot plate or oven. Then, a cured film is formed by heat-treating (post-baking) this coating film.
  • a silicon / silicon dioxide-coated substrate for example, a silicon / silicon dioxide-coated substrate, a silicon nitride substrate, a glass substrate, a quartz substrate, an ITO substrate, or the like can be used.
  • a substrate coated with a metal such as aluminum, molybdenum, or chromium can be used.
  • a resin film such as a triacetyl cellulose film, a polyester film, and an acrylic film can be used as the substrate.
  • a heating temperature and a heating time appropriately selected from the range of a temperature of 70 to 160 ° C. and a time of 0.3 to 60 minutes are employed.
  • the heating temperature and heating time are preferably 80 to 140 ° C. and 0.5 to 10 minutes.
  • a heating temperature appropriately selected from a temperature range of 140 to 250 ° C. according to a heating method or the like can be adopted.
  • the heating time may be 5 to 30 minutes on the hot plate, and 30 to 90 minutes in the oven.
  • the resin composition of the embodiment of the present invention By curing the resin composition of the embodiment of the present invention under the above conditions, it is possible to sufficiently cover and flatten the step of the substrate due to the color filter (CF) and the like. A cured film having high transparency can be formed. Note that the thickness of the cured film can be set to, for example, 0.1 to 30 ⁇ m, and can be appropriately selected in consideration of the level difference of the substrate to be used and the optical and electrical properties.
  • the cured film obtained as described above can be made to function as a liquid crystal alignment layer for aligning liquid crystal alignment materials, that is, molecules having liquid crystallinity, by performing a rubbing treatment.
  • a rotational speed of 300 to 1,000 rpm, a feed speed of 10 to 80 mm / second, and an indentation amount of 0.1 to 1 mm are used.
  • residues generated by rubbing are removed by ultrasonic cleaning using pure water or the like.
  • phase difference material is applied on the liquid crystal alignment layer thus formed, and then heated to the phase transition temperature of the liquid crystal to bring the phase difference material into a liquid crystal state. Then, when this is photocured, a retardation material as a layer having optical anisotropy can be formed.
  • the retardation material for example, a liquid crystal monomer having a polymerizable group or a composition containing the same is used.
  • the substrate on which the liquid crystal alignment layer is formed is a film, it is useful as an optically anisotropic film.
  • Such retardation materials include materials having orientation such as horizontal orientation, cholesteric orientation, vertical orientation, hybrid orientation, and biaxial orientation, and can be used properly according to the required retardation.
  • the two substrates having the liquid crystal alignment layer formed as described above are bonded so that the liquid crystal alignment layers face each other via a spacer, and then liquid crystal is injected between these substrates.
  • a liquid crystal display element in which liquid crystal is aligned can be obtained.
  • the resin composition of the embodiment of the present invention can be suitably used for constituting various optical anisotropic films and liquid crystal display elements.
  • the resin composition of the embodiment of the present invention is also useful as a material for forming a cured film such as a protective film, a planarizing film, and an insulating film in various displays such as a thin film transistor (TFT) type liquid crystal display element and an organic EL element. It is.
  • a thin film transistor (TFT) type liquid crystal display element and an organic EL element It is.
  • the overcoat material (CF overcoat) of the color filter (CF) it is also suitable as a material for forming an interlayer insulating film of a TFT type liquid crystal element, an insulating film of an organic EL element and the like.
  • the obtained CF overcoat not only covers and flattens the steps of the color filter, but also functions as a liquid crystal alignment material. Therefore, it can be used as a CF overcoat having orientation.
  • FIG. 1 is a schematic configuration diagram of a liquid crystal cell 100 according to an embodiment of the present invention.
  • the liquid crystal layer 108 is sandwiched between two substrates 101 and 111.
  • An ITO 110 and an alignment film 109 are formed on the substrate 111.
  • a color filter 102, a CF overcoat 103, a retardation material 105, an ITO 106, and an alignment film 107 are formed in this order.
  • the CF overcoat 103 also functions as an alignment film, a film corresponding to the alignment film 204 in FIG. 2 can be dispensed with.
  • Epolide GT-401 product name
  • compound name compound name: epoxidized butanetetracarboxylic acid tetrakis- (3-cyclohexenylmethyl) modified ⁇ -caprolactone
  • CEL Daicel Chemical Industries, Ltd.
  • Celoxide P-2021 product name (compound name: 3,4-epoxycyclohexenylmethyl-3 ′, 4′-epoxycyclohexene carboxylate)
  • TMGU 1,3,4,6-tetrakis (methoxymethyl) glycoluril
  • PWL Powder link 1174 (Mitsui Cytec Co., Ltd.) ⁇ Crosslinking catalyst>
  • PTSA p-toluenesulfonic acid monohydrate ⁇ solvent>
  • CHN cyclohexanone
  • PGMEA propylene glycol monomethyl ether acetate
  • PGME propylene glycol monomethyl ether
  • NMP N-methylpyrrolidone
  • the number average molecular weight and the weight average molecular weight of the polymer obtained in accordance with the following synthesis example were measured using a GPC apparatus (Shodex (registered trademark) columns KF803L and KF804L) manufactured by JASCO Corporation and the elution solvent tetrahydrofuran at a flow rate of 1 mL / min. It was measured under the condition of flowing in (column temperature 40 ° C.) and eluting.
  • Mn number average molecular weight
  • Mw weight average molecular weight
  • or Comparative Example 3 were prepared with the composition shown in Table 1, and the solvent tolerance, the transmittance
  • Example 1 to Example 8 and Comparative Example 1 to Comparative Example 3 were applied on an ITO substrate using a spin coater, and then pre-baked on a hot plate at a temperature of 100 ° C. for 120 seconds to obtain a film thickness.
  • a 2.8 ⁇ m coating film was formed.
  • the film thickness was measured using F20 manufactured by FILMETRICS. Thereafter, this film was post-baked in a hot air circulating oven at a temperature of 200 ° C. for 30 minutes to form a cured film.
  • this cured film was rubbed at a rotational speed of 400 rpm, a feed speed of 30 mm / second, and an indentation amount of 0.4 mm.
  • the rubbed substrate was ultrasonically cleaned with pure water for 5 minutes.
  • a retardation material composed of a liquid crystal monomer was applied onto the substrate using a spin coater, and then prebaked on a hot plate at 80 ° C. for 60 seconds to form a coating film having a thickness of 1.4 ⁇ m.
  • the coating film on the substrate was exposed to light of 1,000 mJ / cm 2 in a nitrogen atmosphere to cure the retardation material.
  • the substrate thus produced was sandwiched between deflection plates, and the orientation was confirmed with an optical microscope. In the crossed Nicol state, no light leakage was indicated by ⁇ , and light leakage occurred by ⁇ .
  • the liquid crystal alignment was excellent. Therefore, it was found that the compositions of Examples 1 to 8 can form excellent liquid crystal alignment materials. In addition, heat resistance and transparency were high, and resistance to both CHN and NMP was observed.
  • the cured film obtained from the resin composition of the present invention has high liquid crystal alignment performance, and also has light transmittance, solvent resistance, and heat resistance. Therefore, according to the resin composition of the present invention, it is possible to provide a cured film having excellent properties as described above, that is, a liquid crystal alignment material, and further, it is possible to form a retardation material. It was.
  • the resin composition according to the present invention is very useful as an optically anisotropic film or a liquid crystal alignment layer of a liquid crystal display element, and further, a protective film in various displays such as a thin film transistor (TFT) type liquid crystal display element and an organic EL element, It is also suitable as a material for forming a cured film such as a flattening film and an insulating film, particularly as a material for forming an interlayer insulating film of a TFT type liquid crystal element, a protective film for a color filter, or an insulating film for an organic EL element.
  • TFT thin film transistor
  • Liquid crystal cell 101 111, 201, 211 Substrate 102, 202 Color filter 103, 203 CF overcoat 105, 205 Phase difference material 106, 110, 206, 210 ITO 107, 109, 204, 207, 209 Alignment film 108, 208 Liquid crystal layer

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WO2015030004A1 (ja) * 2013-08-29 2015-03-05 日産化学工業株式会社 硬化膜形成組成物、配向材および位相差材
WO2016039337A1 (ja) * 2014-09-08 2016-03-17 日産化学工業株式会社 硬化膜形成組成物、配向材および位相差材
CN104755571B (zh) * 2012-10-24 2018-07-13 日产化学工业株式会社 固化膜形成用组合物、取向材及相位差材

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KR102382472B1 (ko) 2018-11-20 2022-04-01 주식회사 엘지화학 가교제 화합물, 이를 포함하는 액정 배향제 조성물, 이를 이용한 액정 배향막의 제조 방법, 이를 이용한 액정 배향막 및 액정표시소자

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JP6008152B2 (ja) 2016-10-19
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